package com.sky.service.impl;

import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.sky.constant.MessageConstant;
import com.sky.constant.StatusConstant;
import com.sky.context.BaseContext;
import com.sky.dto.CategoryDTO;
import com.sky.dto.CategoryPageQueryDTO;
import com.sky.entity.Category;
import com.sky.entity.Dish;
import com.sky.entity.Setmeal;
import com.sky.exception.BaseException;
import com.sky.mapper.CategoryMapper;
import com.sky.mapper.DishMapper;
import com.sky.mapper.SetmealMapper;
import com.sky.result.PageResult;
import com.sky.service.CategoryService;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.time.LocalDateTime;
import java.util.List;

@Service
public class CategoryServiceImpl implements CategoryService {

    @Autowired
    private CategoryMapper categoryMapper;

    @Autowired
    private DishMapper dishMapper;

    @Autowired
    private SetmealMapper setmealMapper;
    @Override
    public PageResult getCategoryByquery(CategoryPageQueryDTO categoryPageQueryDTO) {
        PageHelper.startPage(categoryPageQueryDTO.getPage(), categoryPageQueryDTO.getPageSize());
        Page<Category> page =  categoryMapper.getByQuery(categoryPageQueryDTO);
        return new PageResult(page.getTotal(), page.getResult());
    }

    @Override
    public void addCategory(CategoryDTO categoryDTO) {
        Category category = new Category();
        BeanUtils.copyProperties(categoryDTO, category);
        category.setStatus(StatusConstant.DISABLE);
        category.setCreateTime(LocalDateTime.now());
        category.setUpdateTime(LocalDateTime.now());
        category.setCreateUser(BaseContext.getCurrentId());
        category.setUpdateUser(BaseContext.getCurrentId());
        categoryMapper.insert(category);
    }

    @Override
    public void updateCategory(CategoryDTO categoryDTO) {
        Category category = new Category();
        BeanUtils.copyProperties(categoryDTO, category);
        category.setUpdateTime(LocalDateTime.now());
        category.setUpdateUser(BaseContext.getCurrentId());
        categoryMapper.updateByPrimaryKeySelective(category);
    }

    @Override
    public void updateCategoryStatus(Integer id, Integer status) {
        Category category = new Category();
        category.setId((long)id);
        category.setStatus(status);
        category.setUpdateTime(LocalDateTime.now());
        category.setUpdateUser(BaseContext.getCurrentId());
        categoryMapper.updateByPrimaryKeySelective(category);
    }

    @Override
    public void delById(Integer id) {
        List<Dish>  dishList =  dishMapper.getByCateId(id);
        if (dishList == null || dishList.size() == 0) {
            throw new BaseException(MessageConstant.CATEGORY_BE_RELATED_BY_DISH);
        }
        List<Setmeal>  setmealList =  setmealMapper.getByCateId(id);
        if (setmealList == null || setmealList.size() == 0) {
            throw new BaseException(MessageConstant.CATEGORY_BE_RELATED_BY_SETMEAL);
        }
        categoryMapper.deleteByPrimaryKey((long)id);
    }

    @Override
    public List<Category> getListByType(Integer type) {
        List<Category> list =  categoryMapper.getByType(type);
        return list;
    }

    @Override
    public List<Category> getList() {
        List<Category> list =  categoryMapper.getList();
        return list;
    }


}
